9942742

Names of 9942742

• Cardinal: 9942742 can be written as Nine million, nine hundred forty-two thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 9.942742 × 10⁶

Factors of 9942742

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 23774

Divisors of 9942742

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 211 422 23561 47122 4971371 9942742
• Sum of all divisors σ(n): 14985432
• Sum of proper divisors (its aliquot sum) s(n): 5042690
• 9942742 is a deficient number, because the sum of its proper divisors (5042690) is less than itself. Its deficiency is 4900052

Bases of 9942742

• Binary: 100101111011011011010110₂
• Hexadecimal: 0x97B6D6
• Base-36: 5X3VA

Squares and roots of 9942742

• 9942742 squared (9942742²) is 98858118478564
• 9942742 cubed (9942742³) is 982920766637794382488
• The square root of 9942742 is 3153.2113788961
• The cube root of 9942742 is 215.0314862847

Scales and comparisons

• 9,942,742 seconds is equal to 16 weeks, 3 days, 1 hour, 52 minutes, 22 seconds.
• To count from 1 to 9,942,742 would take you about twenty-four weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 9942742 cubic inches would be around 17.9 feet tall.

Recreational maths with 9942742

• 9942742 backwards is 2472499
• The number of decimal digits it has is: 7
• The sum of 9942742's digits is 37
• More coming soon!